CN108308146B - High-temperature insecticidal injection device - Google Patents
High-temperature insecticidal injection device Download PDFInfo
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- CN108308146B CN108308146B CN201810090628.3A CN201810090628A CN108308146B CN 108308146 B CN108308146 B CN 108308146B CN 201810090628 A CN201810090628 A CN 201810090628A CN 108308146 B CN108308146 B CN 108308146B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/20—Poisoning, narcotising, or burning insects
- A01M1/2094—Poisoning, narcotising, or burning insects killing insects by using temperature, e.g. flames, steam or freezing
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Abstract
The invention belongs to the technical field of agricultural machinery, and particularly discloses a high-temperature insecticidal injection device which comprises a box body, wherein a spray gun nozzle is arranged at the front end of the box body, an air pump and a fuel cylinder for storing fuel are connected to the side surface of the box body, and a pressure valve is arranged in the spray gun nozzle; a partition plate is arranged in the box body and divides the box body into a mixing cavity and a feeding cavity, an air hole and a fuel hole are formed in the partition plate, a first one-way valve is arranged on the air hole, and a second one-way valve is arranged on the fuel hole; an air inlet pipe communicated with the air pump, a sliding block vertically sealed and connected with the side wall of the feeding cavity in a sliding manner and a fuel feeding cavity positioned below the sliding block are sequentially arranged in the feeding cavity from top to bottom, and the fuel cylinder is provided with a third one-way valve only allowing fuel to enter the fuel feeding cavity from the fuel cylinder; the top of slider is equipped with the canceling release mechanical system who orders about the slider vertical upward movement. The invention aims to provide a high-temperature insecticidal injection device with controllable fuel atomization amount.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly discloses a high-temperature insecticidal injection device.
Background
With the improvement of the living standard of people, new requirements on the quality of vegetables are provided. The industrial planting of chemical fertilizers and pesticides is gradually developing towards pollution-free green planting. In the aspect of vegetable deinsectization, pesticides are abandoned in the industry, and deinsectization methods harmless to human bodies and the environment are advocated. The high-temperature pest killing device in the prior art achieves the purpose of killing pests by directly spraying flame to soil, and the spraying direction and the spraying time of the high-temperature pest killing device are completely judged by the experience of operators; in addition, the nozzle of the spray gun cannot be flamed out in the working process, otherwise, the nozzle needs to be reignited, and potential safety hazards exist.
In order to solve the technical problems, the application publication number of the chinese patent application is CN104396930A, and discloses a novel high-temperature insecticidal device for vegetable planting, which comprises rails, moving devices, an installation frame, an injection device and a remote controller, wherein two ends of the installation frame are respectively connected with the two moving devices, the two moving devices are respectively installed on the two rails, one side of the installation frame is uniformly provided with a plurality of injection devices, the other side of the installation frame is provided with a fuel tank, the installation frame is further provided with an air pump, the air pump is communicated with the injection devices through a pipeline, the injection device is further provided with a spark plug, the air pump needs to be started first during operation, the air pump conveys compressed gas to the injection device, the compressed gas atomizes fuel in the injection device, and the spark plug ignites atomized fuel diffused in the air to achieve the effect of burning pests or.
By adopting the technical scheme of the patent, the following problems can occur that 1) the fuel atomization amount in the injection device is uncontrollable, when the fuel in the injection device is more, the atomization amount of the compressed gas to the fuel is more, the flame is violent, the combustion time is longer, and the effect of burning off pests or germs is better; along with the gradual reduction of the fuel in the injection device, the atomization amount of the compressed gas to the fuel is reduced, the flame is weakened, the combustion time is shortened, and the effect of burning pests or germs is also poor; 2) the concentration of fuel in the compressed gas is not uniform, resulting in a very unstable flame intensity after ignition of the fuel.
Disclosure of Invention
The invention aims to provide a high-temperature insecticidal injection device to solve the problem that the fuel atomization amount of the high-temperature insecticidal injection device is uncontrollable.
In order to achieve the purpose, the basic scheme of the invention is as follows: the high-temperature insecticidal injection device comprises a box body, wherein the front end of the box body is provided with a spray gun nozzle, the side surface of the box body is connected with an air pump and a fuel cylinder for storing fuel, and a pressure valve is arranged in the spray gun nozzle; the fuel injection device is characterized in that a partition plate is arranged in the box body and divides the box body into a mixing cavity and a feeding cavity, the mixing cavity is close to a spray gun nozzle, an air hole for compressed gas to pass through and a fuel hole for fuel to pass through are formed in the partition plate, the fuel hole is formed below the air hole, a first one-way valve only allowing the compressed gas to enter the mixing cavity from the feeding cavity is formed in the air hole, and a second one-way valve only allowing the fuel to enter the mixing cavity from the feeding cavity is formed in the fuel hole; an air inlet pipe communicated with the air pump, a sliding block vertically sealed and connected with the side wall of the feeding cavity in a sliding manner and a fuel feeding cavity positioned below the sliding block are sequentially arranged in the feeding cavity from top to bottom, and the fuel cylinder is provided with a third one-way valve only allowing fuel to enter the fuel feeding cavity from the fuel cylinder; the top of the sliding block is provided with a resetting mechanism for driving the sliding block to vertically move upwards; when compressed gas enters the feeding cavity, the compressed gas pushes the sliding block to vertically slide downwards, the volume of the fuel feeding cavity is reduced, and after fuel enters the mixing cavity from the fuel feeding cavity through the second one-way valve of the fuel hole, the compressed gas enters the mixing cavity through the first one-way valve of the air hole along with the continuous vertical downward sliding of the sliding block.
The working principle of the basic scheme is as follows: when the device is used for burning pests or germs, firstly, the air pump is started, compressed air generated by the air pump enters the air inlet pipe in the feeding cavity, along with the entering of the compressed air, the air pressure in a cavity formed by the air inlet pipe, the sliding block and the side wall of the feeding cavity is gradually increased, the sliding block below the air inlet pipe vertically slides downwards under the action of the air pressure, the volume of the fuel feeding cavity is reduced, the air pressure in the fuel feeding cavity is increased, and fuel in the fuel feeding cavity enters the mixing cavity through the second one-way valve on the fuel hole; along with the slider continues vertical downward movement, the top of slider slides to the below of gas pocket, and the gaseous first check valve entering mixing chamber on the gas pocket of the synthetic cavity of intake pipe, slider and feeding chamber lateral wall. When the pressure in the mixing cavity reaches a certain degree, the atomized fuel in the mixing cavity can be sprayed out from the spray gun nozzle, and the atomized fuel sprayed out from the spray gun nozzle is ignited to achieve the effect of burning off pests or germs. Through setting up the height of fuel hole and gas pocket to and the numerical value of pressure valve in the spray gun nozzle, can effectual control fuel from the amount of spray gun nozzle blowout.
After the insect killing, the air pump stops introducing compressed gas into the air inlet pipe, the sliding block vertically slides upwards under the action of the reset mechanism, the volume of the fuel inlet cavity is increased, and in the process of increasing the volume of the fuel inlet cavity, fuel in the fuel cylinder enters the fuel inlet cavity in an atomization mode.
The beneficial effect of this basic scheme lies in, through the height that sets up fuel hole and gas pocket to and the numerical value of pressure valve in the spray gun nozzle, can effectual control follow spray gun nozzle spun fuel quantity, guarantee that flame can not be along with the increase of device number of times of use and from spray gun nozzle spun fuel quantity littleer and littleer.
Further, the reset mechanism is a spring, and when the sliding block is not pushed by compressed gas, the sliding block can vertically move upwards under the action of the spring.
Furthermore, the internal dimension of the mixing cavity is gradually reduced towards the front end direction of the spray gun nozzle, so that fuel and compressed air entering the mixing cavity can be sprayed out from the spray gun nozzle along the internal shape of the mixing cavity.
Furthermore, a rotating shaft along the fuel injection direction is arranged in the mixing cavity, and the rotating shaft is rotatably connected with a rotating blade. When the compressed gas enters the mixing cavity, the compressed gas blows the rotating blades to rotate, so that the fuel in the mixing cavity and the compressed gas are fully mixed, the concentration of the fuel in the mixing cavity in the compressed gas is uniform, and the flame stability after the fuel is ignited is ensured.
Furthermore, the number of the air holes is two, and in the vertical sliding process of the sliding block, the amount of the compressed gas introduced into the mixing cavity is gradually increased, so that the uniformity of the concentration of the fuel in the compressed gas is further ensured.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the fuel injection device comprises a box body 1, a spray gun nozzle 2, an air pump 3, a fuel cylinder 4, a pressure valve 5, a third one-way valve 6, a partition plate 7, a mixing cavity 8, an air hole 9, a fuel hole 10, a first one-way valve 11, a second one-way valve 12, an air inlet pipe 13, a sliding block 14, a fuel inlet cavity 15, a reset mechanism 16, a rotating shaft 17 and rotating blades 18.
As shown in figure 1, the high-temperature insecticidal injection device comprises a box body 1, a spray gun nozzle 2 is arranged at the front end of the box body 1, an air pump 3 and a fuel cylinder 4 storing fuel are connected to the side surface of the box body 1, and a pressure valve 5 is arranged in the spray gun nozzle 2.
A partition plate 7 is arranged in the box body 1, the box body 1 is divided into a mixing cavity 8 and a feeding cavity by the partition plate 7, the mixing cavity 8 is close to the spray gun nozzle 2, a rotating shaft 17 along the fuel injection direction is arranged in the mixing cavity 8, and a rotating blade 18 is rotatably connected to the rotating shaft 17; the separator 7 is provided with gas holes 9 through which compressed gas passes and fuel holes 10 through which fuel passes, and the number of the gas holes 9 is preferably two in the present embodiment. The fuel hole 10 is arranged below the air hole 9, the air hole 9 is provided with a first one-way valve 11 only allowing compressed gas to enter the mixing cavity 8 from the feeding cavity, and the fuel hole 10 is provided with a second one-way valve 12 only allowing fuel to enter the mixing cavity 8 from the feeding cavity; an air inlet pipe 13 communicated with the air pump 3, a slide block 14 vertically sealed and slidably connected with the side wall of the feeding cavity and a fuel feeding cavity 15 positioned below the slide block 14 are sequentially arranged in the feeding cavity from top to bottom, and the fuel cylinder 4 is provided with a third one-way valve 6 only allowing fuel to enter the fuel feeding cavity 15 from the fuel cylinder 4; the top of the slider 14 is provided with a return mechanism 16 for driving the slider 14 to move vertically upward, and the return mechanism 16 is preferably a spring in the present embodiment.
The internal dimensions of the mixing chamber 8 decrease towards the front end of the nozzle 2, such an arrangement facilitating ejection of fuel and compressed air entering the mixing chamber 8 out of the nozzle 2 along the internal structure of the mixing chamber 8.
When the device is used for high-temperature disinsection, firstly, the air pump 3 is started, compressed gas generated by the air pump 3 firstly enters the air inlet pipe 13 in the feeding cavity, along with the entering of the compressed gas, the air pressure in a cavity formed by enclosing the air inlet pipe 13, the sliding block 14 and the side wall of the feeding cavity is gradually increased, the sliding block 14 below the air inlet pipe 13 vertically slides downwards under the action of the air pressure, the volume of the fuel inlet cavity 15 is reduced, the air pressure in the fuel inlet cavity 15 is increased, and fuel in the fuel inlet cavity 15 enters the mixing cavity 8 through the second one-way valve 12 on the fuel hole 10; along with the continuous vertical downward sliding of the sliding block 14, the top of the sliding block 14 slides to the position below the air hole 9, and gas in a cavity enclosed by the air inlet pipe 13, the sliding block 14 and the side wall of the feeding cavity enters the mixing cavity 8 through the first one-way valve 11 on the air hole 9; because the number of the air holes is two, the quantity of the compressed gas entering the mixing cavity 8 is gradually increased in the vertical sliding process of the sliding block 14, and the uniform concentration of the fuel in the compressed gas is ensured; when the compressed gas enters the mixing chamber 8, the compressed gas blows the rotating blades 18 to rotate, and the fuel in the mixing chamber 8 is further mixed with the compressed gas. After the air pressure in the mixing chamber 8 reaches a certain degree, the atomized fuel in the mixing chamber 8 is sprayed out from the spray gun nozzle 2, and the atomized fuel sprayed out from the spray gun nozzle 2 is ignited to achieve the effect of burning off pests or germs.
After killing insects, the air pump 3 stops introducing compressed gas into the air inlet pipe 13, the sliding block 14 vertically slides upwards under the action of the reset mechanism 16 (spring), the volume of the fuel inlet cavity 15 is increased, and in the process of increasing the volume of the fuel inlet cavity 15, fuel in the fuel cylinder 4 enters the fuel inlet cavity 15 in an atomized mode to prepare for next deinsectization.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. The high-temperature insecticidal injection device comprises a box body, wherein the front end of the box body is provided with a spray gun nozzle, and the side surface of the box body is connected with an air pump and a fuel cylinder for storing fuel; the fuel injection device is characterized in that a partition plate is arranged in the box body and divides the box body into a mixing cavity and a feeding cavity, the mixing cavity is close to a spray gun nozzle, an air hole for compressed gas to pass through and a fuel hole for fuel to pass through are formed in the partition plate, the fuel hole is formed below the air hole, a first one-way valve only allowing the compressed gas to enter the mixing cavity from the feeding cavity is formed in the air hole, and a second one-way valve only allowing the fuel to enter the mixing cavity from the feeding cavity is formed in the fuel hole; an air inlet pipe communicated with the air pump, a sliding block vertically sealed and connected with the side wall of the feeding cavity in a sliding manner and a fuel feeding cavity positioned below the sliding block are sequentially arranged in the feeding cavity from top to bottom, and the fuel cylinder is provided with a third one-way valve only allowing fuel to enter the fuel feeding cavity from the fuel cylinder; the top of the sliding block is provided with a resetting mechanism for driving the sliding block to vertically move upwards; when compressed gas enters the feeding cavity, the compressed gas pushes the sliding block to vertically slide downwards, the volume of the fuel feeding cavity is reduced, fuel enters the mixing cavity from the fuel feeding cavity through the second one-way valve of the fuel hole and then vertically slides downwards along with the continuation of the sliding block, and the compressed gas enters the mixing cavity through the first one-way valve of the air hole; when the slide block is in a free state, the slide block is positioned above the air hole.
2. A high temperature insecticidal spraying apparatus as recited in claim 1 wherein said return mechanism is a spring.
3. A high temperature insecticidal spraying apparatus as claimed in claim 1 wherein the internal dimension of said mixing chamber is tapered toward the forward end of the spray gun nozzle.
4. A high temperature insecticidal spraying apparatus as claimed in claim 1 wherein a rotating shaft is provided in said mixing chamber in the direction of fuel injection, said rotating shaft having rotating vanes rotatably attached thereto.
5. A high temperature insecticidal spraying apparatus as claimed in claim 1 wherein said number of said air holes is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090628.3A CN108308146B (en) | 2018-01-30 | 2018-01-30 | High-temperature insecticidal injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090628.3A CN108308146B (en) | 2018-01-30 | 2018-01-30 | High-temperature insecticidal injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108308146A CN108308146A (en) | 2018-07-24 |
| CN108308146B true CN108308146B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810090628.3A Active CN108308146B (en) | 2018-01-30 | 2018-01-30 | High-temperature insecticidal injection device |
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| Country | Link |
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| CN (1) | CN108308146B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148269U (en) * | 1978-04-07 | 1979-10-15 | ||
| GB2346087A (en) * | 1998-10-06 | 2000-08-02 | Paul Stephen Nightingale | Treatment of an article inside an inflatable envelope by recirculation of air |
| CN2549741Y (en) * | 2002-05-07 | 2003-05-14 | 王善斌 | High temperature sterilizing pest killing device |
| CN2788030Y (en) * | 2005-04-15 | 2006-06-14 | 中国兵器工业第五二研究所 | Burner with compound fuel |
| CN104396929A (en) * | 2014-11-23 | 2015-03-11 | 肖金坚 | High-temperature pest-killing device for vegetable planting |
-
2018
- 2018-01-30 CN CN201810090628.3A patent/CN108308146B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148269U (en) * | 1978-04-07 | 1979-10-15 | ||
| GB2346087A (en) * | 1998-10-06 | 2000-08-02 | Paul Stephen Nightingale | Treatment of an article inside an inflatable envelope by recirculation of air |
| CN2549741Y (en) * | 2002-05-07 | 2003-05-14 | 王善斌 | High temperature sterilizing pest killing device |
| CN2788030Y (en) * | 2005-04-15 | 2006-06-14 | 中国兵器工业第五二研究所 | Burner with compound fuel |
| CN104396929A (en) * | 2014-11-23 | 2015-03-11 | 肖金坚 | High-temperature pest-killing device for vegetable planting |
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| Publication number | Publication date |
|---|---|
| CN108308146A (en) | 2018-07-24 |
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Effective date of registration: 20210126 Address after: 401220 group 7, Datong village, Yunji Town, Changshou District, Chongqing Patentee after: Chongqing Haoshun Ecological Agriculture Development Co.,Ltd. Address before: 401120 the first floor of Junhua building, zaozipo street, Gelan Town, Changshou District, Chongqing Patentee before: CHONGQING CHANGSHOU FUXI AGRICULTURAL DEVELOPMENT Co.,Ltd. |